2221446768 has 40 divisors (see below), whose sum is σ = 5776761216. Its totient is φ = 735576000.

The previous prime is 2221446767. The next prime is 2221446803. The reversal of 2221446768 is 8676441222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221446767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145998 + ... + 160493.

Almost surely, 2^2221446768 is an apocalyptic number.

It is an amenable number.

2221446768 is an abundant number, since it is smaller than the sum of its proper divisors (3555314448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221446768 is a wasteful number, since it uses less digits than its factorization.

2221446768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306653 (or 306647 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 2221446768 is about 47132.2264273607. The cubic root of 2221446768 is about 1304.8040726982.

The spelling of 2221446768 in words is "two billion, two hundred twenty-one million, four hundred forty-six thousand, seven hundred sixty-eight".